77 - 11
Section E
Hydraulics
9803/6400
Section E
77 - 11
Issue 1
Hydraulic Rams
Reconditioning (continued)
Wiper Ring Assembly (continued)
Move the cylinder head with the retainer (jig) on it
underneath the press.
Adjust so that the shaft centre of the press (ram) and
retainer are in line.
Pressing on the head section of the retainer (jig), press-fit
the wiper ring into the specified position in the cylinder
head.
The press load should be less than 1 ton.
Press fit until the retainer's collar reaches the cylinder head
end surface.
After the wiper ring press-fitting is completed, remove the
retainer from the cylinder head.
Verify that the wiper ring is properly press-fitted.
4. Preparation for press-fitting
5. Press-fitting wiper ring
6. Removal of retainer
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